After Papyrus' murder, Sans swears revenge. Alex Rider is sent on a mission to Ireland to investigate strange happenings in the capital. And Skulduggery Pleasant and Valkyrie Cain are in the middle of it all. One spy, one former goddess, and two humorous skeletons. The world won't know what hit it. Undertale/Alex Rider/Skulduggery Pleasant.
Rated: M - English - Mystery/Adventure - Chapters: 1 - Words: 1,105 - Updated: 7/29/2020 - Published: 7/27/2020 - Alex R./Cub, Skulduggery P., Valkyrie C./Stephanie E.